What is the cheapest airline that flies from Seoul Gimpo Intl to Seattle/Tacoma Intl?

EVA Air and Japan Airlines are the most popular carriers operating from Seoul Gimpo Intl to Seattle/Tacoma Intl

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$579 Cheap Flights from Seoul Gimpo Intl Airport to Seattle in 2026

Find the cheapest flights from Seoul Gimpo Intl Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 6:32 pm

GMP

SEA

26h 22m

2 stops

10:45 am - 10:25 pm

SEA

GMP

19h 40m

2 stops

$1,071Multiple Airlines

Tue, Jul 14 - Mon, Jul 20

8:10 am - 6:32 pm

GMP

SEA

26h 22m

2 stops

10:45 am - 10:25 pm

SEA

GMP

19h 40m

2 stops

$1,072Multiple Airlines

Tue, Jul 7 - Fri, Jul 17

3:00 pm - 6:32 pm

GMP

SEA

19h 32m

2 stops

10:30 am - 10:25 pm

SEA

GMP

19h 55m

2 stops

$1,112Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

8:10 am - 2:22 pm

GMP

SEA

22h 12m

2 stops

10:45 am - 9:25 pm

SEA

GMP

18h 40m

2 stops

$1,153Multiple Airlines

Tue, Jul 14 - Mon, Jul 20

8:10 am - 2:22 pm

GMP

SEA

22h 12m

2 stops

10:45 am - 9:25 pm

SEA

GMP

18h 40m

2 stops

$1,158Multiple Airlines

Mon, Jul 13 - Mon, Jul 20

3:00 pm - 6:32 pm

GMP

SEA

19h 32m

2 stops

10:30 am - 10:25 pm

SEA

GMP

19h 55m

2 stops

$1,268Multiple Airlines

Mon, Sep 14 - Sun, Sep 20

8:20 pm - 11:22 am

GMP

SEA

31h 02m

2 stops

1:30 am - 6:10 pm

SEA

GMP

24h 40m

1 stop

$1,286Multiple Airlines

Wed, Sep 16 - Sun, Sep 20

2:25 pm - 6:32 pm

GMP

SEA

20h 07m

2 stops

10:30 am - 10:25 pm

SEA

GMP

19h 55m

2 stops

$1,305Multiple Airlines

Fri, Sep 18 - Mon, Sep 28

7:40 am - 2:25 pm

GMP

SEA

22h 45m

1 stop

10:30 am - 11:05 am

SEA

GMP

32h 35m

2 stops

$1,330ANA

Tue, Oct 6 - Tue, Oct 13

7:40 am - 2:25 pm

GMP

SEA

22h 45m

1 stop

10:45 am - 11:05 am

SEA

GMP

32h 20m

2 stops

$1,336ANA

Tue, Jul 14 - Tue, Jul 28

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EVA Air flights from Seoul Gimpo Intl Airport to Seattle

Our best EVA Air deals on Seoul Gimpo Intl Airport to Seattle flight tickets

EVA Air

Sep 5

GMP1:50 pmSeoul Gimpo Intl

21h 50m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Sep 27

SEA1:30 amSeattle/Tacoma Intl

24h 40m

1 stop

GMP6:10 pmSeoul Gimpo Intl

$1,343

EVA Air

Jul 4

GMP1:50 pmSeoul Gimpo Intl

22h 00m

1 stop

SEA7:50 pmSeattle/Tacoma Intl

Jul 9

SEA2:10 amSeattle/Tacoma Intl

18h 40m

1 stop

GMP12:50 pmSeoul Gimpo Intl

$1,418

ANA flights from Seoul Gimpo Intl Airport to Seattle

Our best ANA deals on Seoul Gimpo Intl Airport to Seattle flight tickets

ANA

Oct 6

GMP7:40 amSeoul Gimpo Intl

22h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Oct 13

SEA10:30 amSeattle/Tacoma Intl

32h 35m

2 stops

GMP11:05 amSeoul Gimpo Intl

$1,330

ANA

Jul 14

GMP7:40 amSeoul Gimpo Intl

22h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Jul 28

SEA10:45 amSeattle/Tacoma Intl

32h 20m

2 stops

GMP11:05 amSeoul Gimpo Intl

$1,336

ANA

Jul 14

GMP12:40 pmSeoul Gimpo Intl

21h 52m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Jul 28

SEA10:45 amSeattle/Tacoma Intl

32h 20m

2 stops

GMP11:05 amSeoul Gimpo Intl

$1,348

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 7/14

8:10 am-6:32 pm

2 stops26h 22m

Seattle/Tacoma Intl

Mon 7/20

10:45 am-10:25 pm

2 stops19h 40m

$1,071

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 7/7

8:10 am-6:32 pm

2 stops26h 22m

Seattle/Tacoma Intl

Fri 7/17

10:45 am-10:25 pm

2 stops19h 40m

$1,072

Quickest round-trip

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Wed 9/16

3:00 pm-6:32 pm

2 stops19h 32m

Seattle/Tacoma Intl

Mon 9/21

10:30 am-10:25 pm

2 stops19h 55m

$1,112

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 7/14

8:10 am-2:22 pm

2 stops22h 12m

Seattle/Tacoma Intl

Mon 7/20

10:45 am-9:25 pm

2 stops18h 40m

$1,153

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Mon 7/13

8:10 am-2:22 pm

2 stops22h 12m

Seattle/Tacoma Intl

Mon 7/20

10:45 am-9:25 pm

2 stops18h 40m

$1,158

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Mon 9/14

3:00 pm-6:32 pm

2 stops19h 32m

Seattle/Tacoma Intl

Sun 9/20

10:30 am-10:25 pm

2 stops19h 55m

$1,268

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Wed 9/16

8:20 pm-11:22 am

2 stops31h 02m

Seattle/Tacoma Intl

Sun 9/20

1:30 am-6:10 pm

1 stop24h 40m

$1,286

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 9/18

2:25 pm-6:32 pm

2 stops20h 07m

Seattle/Tacoma Intl

Mon 9/28

10:30 am-10:25 pm

2 stops19h 55m

$1,305

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 10/6

7:40 am-2:25 pm

1 stop22h 45m

Seattle/Tacoma Intl

Tue 10/13

10:30 am-11:05 am

2 stops32h 35m

$1,330

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 7/14

7:40 am-2:25 pm

1 stop22h 45m

Seattle/Tacoma Intl

Tue 7/28

10:45 am-11:05 am

2 stops32h 20m

$1,336

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Seoul Gimpo Intl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $708. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Seoul Gimpo Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $918.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Seoul Gimpo Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $759 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $765. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seoul Gimpo Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Seattle (GMP to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Seattle

Fastest flight time	18h 50m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to Seattle takes 18h 50m

There are no direct flights from Seoul Gimpo Intl Airport to Seattle. There are no popular flight routes from Seoul Gimpo Intl Airport to Seattle.

Search flight deals

Frequently asked questions about flying from Seoul Gimpo Intl Airport to Seattle

How far is Seoul Gimpo Intl to Seattle/Tacoma Intl by plane?
The distance between Seoul Gimpo Intl and Seattle/Tacoma Intl is about 5173.4 mi. In terms of flight time, this usually takes a little over 18h 50m.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Federal Way

Fife

Cle Elum

Marysville

Centralia

Shoreline

Kirkland

Westport

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Seattle with flexible booking policies on momondo?

Flights from Seoul to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Seattle.

I’m not ready to book a flight from Seoul to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Seoul and alert you when they change.